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Blazor FAQ - Getting started

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Follow these steps to create a Blazor WebAssembly (client-side) application using a command-line interface (CLI).

Create a Blazor WebAssembly App in CLI

Open a command prompt where you want your project to be located and run the following command.

dotnet new blazorwasm -o BlazorWebAssemblyApp

Navigate to Blazor WebAssembly App

Run the cd BlazorWebAssemblyApp command to navigate to the BlazorWebAssemblyApp folder.

Run the application

The dotnet run command runs the application. See the following output in the default browser.

Note: If you have installed multiple SDK versions and need a specific framework version (e.g., net5.0, netcoreapp3.1) project, then add the -f flag to the dotnet new blazorwasm command. Refer here for the available flag options.

View Sample in GitHub

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Follow these steps to create a Blazor Server application using a command-line interface (CLI). 

Create a Blazor Server App in CLI 

Open a command prompt where you want your project to be located and run the following command. 

.NET CLI 

dotnet new blazorserver -o BlazorServerApp 

Navigate to Blazor Server App 

Run the cd BlazorServerApp command to navigate to the BlazorServerApp folder. 

Run the apllication. 

The dotnet run command runs the application. See the following output in the default browser. 

Note: If you have installed multiple SDK versions and need a specific framework version (e.g., .net7.0) project, then add the -f or –framework flag to the dotnet new blazorserver command. 

.NET CLI 

dotnet new blazorserver -o BlazorServerApp –framework net6.0 

Refer to this documentation for more details. 

View Sample in GitHub 

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Follow the step-by-step procedure below to create a Blazor Server Application in Visual Studio 2019.

Download and install Visual Studio 2019

Download and install the latest version of Visual Studio 2019 with the ASP.NET and web development workload.

Create a new project

Open Visual Studio 2019 and click Create a new project.

Select Blazor app from the template

Select Blazor App from the template list and click the Next button.

blazor template

Configuring the project

The project configuration window will pop up. Click the Create button to create a new project with the default project configuration.
Blazor server configure

Choose Blazor Server App

Select a target framework based on your requirement, choose the Blazor Server App from the dashboard, and then click Create to create a new Blazor Server application.

Blazor server template

Blazor Server App structure

Now the Blazor Server App is created, and the structure look like the following image.
Server structure

Run the application.

Press Ctrl + F5 to run the application and find the output in default browser.
server output

Refer to this link for more details.

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Follow the step-by-step procedure below to create a Blazor WebAssembly (client-side) application in Visual Studio 2019.

Download and install Visual Studio 2019

Download and install the latest version of Visual Studio 2019 with the ASP.NET and web development workload.

Create a new project

Open Visual Studio 2019 and select Create a new project.

Select Blazor app from the template
Select Blazor App from the template list and click the Next.

Choose Blazor WebAssembly App
Select a target framework based on your requirements, choose Blazor WebAssembly App from the dashboard, and then click Create to create a new Blazor WebAssembly application.

Blazor WebAssembly App structure
Now the Blazor WebAssemblyApp is created, and the structure look like in the below image.

Run the application.
Press ctrl + F5 to run the application and see the below output in default browser.

Refer to this link for more details.

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